… -3-lactams (11, 12). By agar dilution, the E. coli or K pneumoniae strains that produced the
… , and, with the exception of SHV-4 in K pneumoniae, aztreonam. Agar dilution testing with …

… lactamase gene in Klebsiella pneumoniae in order to study the evolution of the gene. A 789-bp
portion was sequenced in a panel of 28 strains… pneumoniae strains used in this study are …

… by at least 3 twofold dilutions in the presence of clavulanic acid confirmed the utility of K.
pneumoniae K6 as a quality control strain for extended-spectrum β-lactamase (ESBL) detection. …

… Although genomic fingerprinting by PFGE has been reported only once for K pneumoniae
(… 12 unrelated strains of K pneumoniae producing extendedspectrum ,B-lactamases had very …

… In an attempt to detect and study the dissemination of ESI3lactamases in our geographic
area we characterized eighteen clinical strains of Klebsiella pneumoniae resistant to oxyimino-…

… Klebsiella pneumoniae to carbapenems is mainly associated with acquired carbapenem-hydrolyzing
β-lactamases … pneumoniae strains were first reported in 2001 in North Carolina (5), …

… of extended spectrum β-lactamase (ESBL) in multi drug resistant (MDR) strains of Klebsiella
pneumoniae isolated from different clinical samples… Methods: A total of 120 MDR strain of K. …

… A Klebsiella pneumoniae isolate showing moderate to high-level imipenem and … proteins
of the parent K. pneumoniae strain demonstrated that the strain does not express detectable …

… Broth microdilution and disk diffusion tests were repeated for strains showing discrepant
results. Quality control strains used in this study for antimicrobial susceptibility testing included E…

… resistance to oxyimino-βlactams arises from plasmid … to oxyimino-β-lactam resistance, AmpC
β-lactamase also … of the β-lactamase inhibitor, while no susceptible control strains showed a …